From: Steven Rostedt <rostedt@goodmis.org>
To: Dave Martin <dave.martin@linaro.org>
Cc: Rabin Vincent <rabin@rab.in>,
Martin Schwidefsky <schwidefsky@de.ibm.com>,
linux-arch@vger.kernel.org, Fenghua Yu <fenghua.yu@intel.com>,
Tony Luck <tony.luck@intel.com>,
Russell King <linux@arm.linux.org.uk>,
Frederic Weisbecker <fweisbec@gmail.com>,
Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
Thomas Gleixner <tglx@linutronix.de>,
linux-arm-kernel <linux-arm-kernel@lists.infradead.org>
Subject: Re: [patch 0/4] [RFC] mcount address adjustment
Date: Mon, 16 May 2011 10:28:46 -0400 [thread overview]
Message-ID: <1305556127.5456.1.camel@gandalf.stny.rr.com> (raw)
In-Reply-To: <20110516125717.GB7715@arm.com>
On Mon, 2011-05-16 at 13:57 +0100, Dave Martin wrote:
> Is there any reason why the recordmcount.pl would ever be used now that the
> C implementation exists?
>
> I notice that arch/arm/Kconfig has:
>
> config ARM
> ...
> select HAVE_C_RECORDMCOUNT
>
> so deprecating ARM support from recordmcount.pl seems unlikely to hurt
> anyone.
>
> The C implementation seems to have worked fine when I was testing dynamic
> ftrace with Thumb-2 recently.
It's there only as a backup. But you're right. I may as well start
removing the recordmcount.pl support from those that have the
HAVE_C_RECORDMCOUNT set, and then all users are gone (which may now be
the case) either keep it around as a backup for testing against
recordmcount.c, or remove it completely.
-- Steve
prev parent reply other threads:[~2011-05-16 14:28 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-10 8:10 [patch 0/4] [RFC] mcount address adjustment Martin Schwidefsky
2011-05-10 8:10 ` Martin Schwidefsky
2011-05-10 8:10 ` [patch 1/4] recordmcount " Martin Schwidefsky
2011-05-10 8:10 ` Martin Schwidefsky
2011-05-10 8:10 ` [patch 2/4] x86 mcount offset calculation Martin Schwidefsky
2011-05-10 8:10 ` Martin Schwidefsky
2011-05-10 8:10 ` [patch 3/4] ia64 " Martin Schwidefsky
2011-05-10 8:10 ` Martin Schwidefsky
2011-05-16 18:58 ` Steven Rostedt
2011-05-16 19:17 ` Luck, Tony
2011-05-16 19:17 ` Luck, Tony
2011-05-16 20:41 ` Steven Rostedt
2011-05-17 8:04 ` Martin Schwidefsky
2011-05-17 11:20 ` Steven Rostedt
2011-05-10 8:10 ` [patch 4/4] s390 " Martin Schwidefsky
2011-05-10 8:10 ` Martin Schwidefsky
2011-05-11 17:23 ` [patch 0/4] [RFC] mcount address adjustment Rabin Vincent
2011-05-12 9:24 ` Martin Schwidefsky
2011-05-12 13:30 ` Rabin Vincent
2011-05-16 12:57 ` Dave Martin
2011-05-16 14:28 ` Steven Rostedt [this message]
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